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Wnt/ β-catenin signaling plays an essential role in α7 nicotinic receptor-mediated neuroprotection of dopaminergic neurons in a mouse Parkinson's disease model.
The objective of the present study was to explore the potential functions of α7-nAChRs in PD pathology, and to determine whether these effects are exerted via Wnt/β-catenin signaling in a mouse PD model. In the in vivo study, α7-nAChR knockout (α7-KO) reversed the beneficial effects of nicotine on motor deficits, dopaminergic neuron loss, astrocyte and microglia activation, and reduced striatal dopamine release induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine. Injury to SH-SY5Y cells by 1-methyl-4-phenylpyridinium treatment was also ameliorated by nicotine, and this effect was abolished by methyllycaconitine (ML...
Source: Biochemical Pharmacology - May 24, 2017 Category: Drugs & Pharmacology Authors: Liu Y, Hao S, Yang B, Fan Y, Qin X, Chen Y, Hu J Tags: Biochem Pharmacol Source Type: research